TDF8541JSSLASHN2 datasheet(31/54 Pages) NXP

31 / 54 page

TDF8541

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Product data sheet

Rev. 3 — 13 December 2011

31 of 54

NXP Semiconductors

TDF8541

I2C-bus controlled 4

 45 W power amplifier

[1]

Bits DB5[D0] and [D5] are not latched/cleared after being read. They indicate the actual value.

Remark: Data bits are only reset (cleared after read) after reading all 5 data bytes.

Limiting values

VP below above 10 V

0=VP above 10 V

1=VP has dropped below 10 V

undervoltage protection

0 = no undervoltage protection occurred

1 = undervoltage protection occurred (engine start)

amplifier and output stage status [1]

0 = amplifier switched off, output stage high impedance

1 = amplifier switched on, output stage active

Table 17.

Data byte DB5 …continued

Bit

Description

Table 18.

Limiting values

In accordance with the Absolute Maximum Rating System (IEC 60134).

Symbol

Parameter

Conditions

Min

Max

Unit

supply voltage

operating

non-operating

1+50

load dump protection;

duration 50 ms, rise

time > 2.5 ms

-50

VP(r)

reverse supply voltage

10 minutes maximum

2V

IOSM

non-repetitive peak

output current

-13

IORM

repetitive peak output

current

-8

Tj(max)

maximum junction

temperature

-150

C

Tstg

storage temperature

55

+150

C

Tamb

ambient temperature

heatsink of sufficient size

to ensure Tj does not

exceed 150

C

40

+105

C

V(prot)

protection voltage

AC and DC short-circuit

voltage of output pins and

across the load

-VP

Vi(max)

maximum input voltage

RMS value; before

capacitor; RS = 100 

-5

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